US7597140B2 - Expansion device for expanding a pipe - Google Patents

Expansion device for expanding a pipe Download PDF

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Publication number
US7597140B2
US7597140B2 US10/555,476 US55547604A US7597140B2 US 7597140 B2 US7597140 B2 US 7597140B2 US 55547604 A US55547604 A US 55547604A US 7597140 B2 US7597140 B2 US 7597140B2
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United States
Prior art keywords
cone
pipe
guide
expansion
anchor
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US10/555,476
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US20060260802A1 (en
Inventor
Andrei Gregory Filippov
Neil Philip Thomson
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Enventure Global Technology Inc
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Shell Oil Co
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Assigned to SHELL OIL COMPANY reassignment SHELL OIL COMPANY ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: THOMSON, NEIL PHILIP, FILIPPOV, ANDREI GREGORY
Publication of US20060260802A1 publication Critical patent/US20060260802A1/en
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Assigned to ENVENTURE GLOBAL TECHNOLOGY, L.L.C. reassignment ENVENTURE GLOBAL TECHNOLOGY, L.L.C. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: SHELL OIL COMPANY
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    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
    • E21B23/01—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for anchoring the tools or the like
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/02—Subsoil filtering
    • E21B43/10—Setting of casings, screens, liners or the like in wells
    • E21B43/103—Setting of casings, screens, liners or the like in wells of expandable casings, screens, liners, or the like
    • E21B43/105—Expanding tools specially adapted therefor

Definitions

  • the present invention relates to an expansion device for expanding a pipe.
  • an expansion device for expanding a pipe is disclosed in International patent application publication No. 02/086 285.
  • This publication discloses an expansion device having a front end and a rear end and it comprises an expansion cone tapering in forward direction towards the front end of the expansion device, a set of guide rods, an actuator capable of displacing, during normal operation, the expansion cone and the set of guide rods relative to each other, and two one-directional end anchors arranged at either end of the set of guide rods, which end anchors are capable of cooperating with the inner surface of the pipe to prevent movement of the set of guide rods relative to the pipe, when during normal operation, the expansion cone is displaced relative to the guide rods in the forward direction.
  • the known expansion device is, during normal operation, attached to the lower end of a tubular.
  • Normal operation of known expansion devices comprises two steps, an expansion step and a reset step.
  • the initial position of the expansion step is that the end anchors are set, wherein the end anchor at the front is set in the unexpanded part of the pipe and anchor at the back is set in the part of the pipe that has been expanded, and wherein the expansion cone is in a first position close to the end anchor.
  • the actuator is powered so as to force the expansion cone in forward direction to expand the pipe, during expansion the end anchors take up the axial force.
  • the actuator is powered by fluid under pressure supplied through the tubular to which the expansion device is attached. When the anchor has arrived at the front anchor, powering the actuator is interrupted and the displacement of the expansion cone stops.
  • Resetting the expansion cone is done by pushing the tubular in order to move the expansion device forwards.
  • the end anchors do not prevent this displacement, because they work in one direction only.
  • the expansion cone cannot move forwards, so that the guide rods are displaced forwards relative to the expansion cone.
  • the displacement of the guide rods is interrupted and the expansion device has returned to its initial state.
  • the front anchor can be set in the unexpanded pipe section, whilst the back anchor has no expanded pipe in which it can set.
  • the back anchor can be set in the expanded pipe section, whilst the front anchor extends out of the pipe.
  • the expansion device has a front end and a rear end, and comprises
  • FIG. 1 shows schematically and not to scale an expansion device according to the present invention
  • FIG. 2 shows schematically three stages of the normal operation of the expansion device of FIG. 1 ;
  • FIG. 3 shows schematically and not to scale a longitudinal section of an embodiment of the actuator of the expansion device according to the present invention.
  • FIG. 4 shows schematically and not to scale a longitudinal section of an embodiment of driving means.
  • the expansion device 1 for expanding a pipe (not shown) according to one embodiment of the present invention has a front end 2 and a rear end 3 .
  • the expansion device 1 comprises an expansion cone 5 tapering in forward direction 8 towards the front end 2 of the expansion device 1 , a second member in the form of an elongated cone-guide 10 , and an actuator 11 capable of displacing, during normal operation, the expansion cone 5 and the elongated cone-guide 10 relative to each other between a first state and a second state.
  • the expansion device 1 further comprises a retrievable end anchor 15 arranged at an end (the front end 2 ) of the elongated cone-guide 10 .
  • the end anchor 15 is capable of cooperating with the inner surface of the pipe (not shown) to prevent movement of the elongated cone-guide 10 relative to the pipe, when, during normal operation, the expansion cone 5 is displaced relative to the elongated cone-guide 10 in the forward direction 8 .
  • the expansion device 1 suitably comprises a middle anchor 17 joined to the expansion cone 5 .
  • the middle anchor 17 is capable of cooperating with the inner surface of the pipe (not shown) to prevent movement of the expansion cone 5 relative to the pipe, when, during normal operation, the elongated cone-guide 10 is displaced relative to the expansion cone 5 in the forward direction 8 .
  • the anchors 15 and 17 are one-directional anchors, or they can be settable anchors that are only set to prevent displacement in an undesired direction.
  • the elongated cone-guide 10 is a tube, having a central longitudinal axis 20 .
  • the actuator 11 includes a hydraulic drive means including an annular piston 25 protruding from the elongated cone-guide 10 , and a first member connected to the expansion cone 5 in the form of a cylinder 26 slidingly arranged over the piston 25 .
  • the hydraulic drive means for axially moving the first and second members relative to each other is adapted to move the expansion cone in forward direction through the pipe when the anchor is anchored to the inner surface of the pipe, to move the first and second members relative to each other so as to move the anchor in forward direction through the pipe when the anchor is released from the inner surface of the pipe.
  • the cylinder 26 has annular sealing rims 27 and 28 at either end of the cylinder 26 , which define a front chamber 30 and a rear chamber 31 , respectively.
  • the actuator 11 further includes a fluid supply for alternatingly supplying pressure fluid to the front chamber 30 to displace the expansion cone 5 in forward direction relative to the elongated cone-guide 10 and to the rear chamber 31 to displace the elongated cone-guide 10 in forward direction relative to the expansion cone 5 .
  • the fluid supply includes a front passage 35 arranged near the front of the annular piston 25 , a rear passage 36 arranged near the rear of the annular piston 25 , and a flow control means (not shown) for allowing or preventing pressure fluid from flowing through the front passage 35 or through the rear passage 36 into the respective chamber 30 or 31 .
  • Allowing pressure fluid to enter from the interior 38 of the elongated cone-guide 10 via the rear passage 36 into the rear chamber 31 causes the elongated cone-guide 10 to move in forward direction 8 relative to the expansion cone 5 .
  • the forward movement is stopped when a front stop 40 touches the front annular sealing rim 27 .
  • This position is the first state. Allowing pressure fluid to enter from the interior 38 of the elongated cone-guide 10 via the front passage 35 into the front chamber 30 causes the expansion cone 5 to move in forward direction 8 relative to the elongated cone-guide 10 .
  • the forward movement is stopped when the rear annular sealing rim 28 touches a rear stop 41 . This position is the second state.
  • Pressure fluid is supplied to the interior 38 through a suspension pipe (not shown).
  • the wall of the cylinder 26 is provided with outlets (not shown) having a suitable valve (not shown) to allow draining of fluid from the chambers 30 and 31 .dc
  • the actuator 11 included a single annular piston 25 protruding from the elongated cone-guide 10 and a cylinder 26 slidingly arranged over the piston 25 having two chambers 30 and 31 . It will be understood that the actuator can as well have more than one annular piston and that the cylinder can have more than one chamber (two chambers per piston).
  • the expansion device When the expansion device is in the first state, it can start an expansion stroke. At the end of the expansion stroke, the expansion device is in the second state and it can start a reset stroke. This sequence will now be discussed with reference to FIG. 2 .
  • FIGS. 2 a , 2 b and 2 c show schematically a partial sectional view of the expansion device 1 according to the one embodiment of the present invention is arranged in a pipe 45 that is being expanded. Parts already discussed with reference to the previous Figures have got the same reference numerals.
  • the pipe 45 comprises three sections, an unexpanded section 45 a , and expanding section 45 b and an expanded section 45 c .
  • the expansion device 1 is provided with a second retrievable anchor in the form of rear anchor 47 .
  • the second retrievable, one-directional end anchor 47 is arranged at the rear of the elongated cone-guide 10 , and the end anchor 47 is capable of cooperating with the inner surface of the pipe 45 to prevent movement of the elongated cone-guide 10 relative to the pipe 45 , when, during normal operation, the expansion cone 5 is displaced relative to the elongated cone-guide 10 in the forward direction 8 .
  • the anchor 47 is a one-directional anchor, or it can be a settable anchor that is only set to prevent displacement in an undesired direction.
  • FIG. 2 a shows the first stage, start of the expansion stroke, of the expansion method with the expansion device according to one embodiment of the invention.
  • the expansion device 1 is anchored in the pipe 45 by means of the rear anchor 47 in pipe section 45 c and the front anchor 15 in pipe section 45 a .
  • the expansion device 1 is the first state and the actuator 11 is actuated, such that the expansion cone 5 is displaced in forward direction 8 to expand the pipe 45 .
  • This is done by supplying pressure fluid to the front chamber 30 (see FIG. 1 ), and allowing fluid to drain from the rear chamber 31 .
  • the end anchors 47 and 15 cooperate with the inner surface of the pipe 45 to prevent movement of the elongated cone-guide 10 relative to the pipe 45 .
  • FIG. 2 b shows an intermediate stage in the expansion process.
  • FIG. 2 c shows the end of the expansion stroke, when the expansion device 1 is in the second state.
  • the reset stroke is started.
  • the actuator 11 is actuated so as to displace the elongated cone-guide 10 in forward direction relative to the expansion cone 5 .
  • This is done by supplying pressure fluid to the rear chamber 31 (see FIG. 1 ), and allowing fluid to drain from the front chamber 30 .
  • the end anchors 47 and 15 are one-directional anchors, they do not fix the elongated cone-guide 10 when the elongated cone-guide 10 is displaced in forward direction 8 relative to the expansion cone 5 .
  • the middle anchor 17 prevents the expansion cone 5 from moving backwards.
  • FIGS. 3 a and 3 b showing schematically and not to scale a longitudinal section of a suitable embodiment of the upper half of part of the actuator 11 of the expansion device 1 according to the present invention. Parts already discussed with reference to the previous Figures have got the same reference numerals. The pressure fluid supply will now be discussed in more detail.
  • the elongated cone-guide 10 is a double-walled tube 50 , having an inner wall 52 and an outer wall 53 .
  • the passages 35 and 36 extend through the double-walled tube 50 .
  • the outer wall 53 of the double-walled tube 50 is provided with axial slots, a front axial slot 55 extending from the front stop 40 a , and a rear axial slot 56 extending from the rear stop 41 a .
  • the front annular sealing rim 27 and the rear annular sealing rim 28 is provided with wedges 58 and 59 respectively, that pass through the slots 55 and 56 .
  • the valve includes a sliding valve 65 arranged in the annular chamber 61 , which sliding valve 65 is provided with a valve passage 66 .
  • the sliding valve 65 can be displaced between a front position in which the valve passage 66 is at the position of the front passage 35 and a rear position in which the valve passage 66 is at the position of the rear passage 36 .
  • the actuator 11 further includes driving means for displacing the sliding valve 65 between the front position and the rear position.
  • the sliding valve 65 is in the position shown in FIG. 3 a , wherein wedge 58 of the front annular sealing rim 27 is in contact with the stop 41 a , at the end of the front axial slot 55 .
  • Pressure fluid is supplied from the interior of the double-walled tube 50 via the front passage 35 to the front chamber 30 (arrow 68 ).
  • the fluid pressure causes displacement of the cylinder into forward direction 8 .
  • the expansion cone 5 is thus displaced in forward direction expanding the pipe (not shown).
  • the wedge 59 of the rear annular sealing rim 28 is in contact with the rear stop 41 a.
  • the sliding valve 65 is displaced to its rear position (see FIG. 3 b ).
  • the valve passage 66 is at the position of the rear passage 36 .
  • pressure fluid is supplied from the interior of the double-walled tube 50 via the rear passage 36 to the rear chamber 31 (arrow 69 ).
  • the fluid pressure causes displacement of the elongated cone-guide 10 into forward direction 8 .
  • FIG. 3 a which is the start of the expansion stroke.
  • the expansion device includes a driving means, and reference is made to FIGS. 4 a and 4 b showing not to scale the front end driving means. Parts already discussed with reference to the previous Figures have got the same reference numerals.
  • the front end driving means includes a releasable pusher 72 having a head 73 .
  • the pusher 72 is spring-loaded by spring 74 .
  • the forward end of the spring 74 is resting against a front stop 75 that is fixed to the inner wall 52 .
  • FIG. 4 a is shown that the expansion cone 5 moves in forward direction 8 .
  • the pusher 72 rests on the sliding valve 65 , and the wedge 58 approaches the pusher 72 .
  • the expansion cone 5 moving further will compress the spring 74 .
  • the spring 74 gets further compressed.
  • FIG. 4 b showing a position in which the expansion cone 5 has moved to its farthest position (which corresponds to the position shown in FIG. 3 b ), wherein the head 73 of the pusher 72 is forced under the wedge 58 and wherein the spring 74 starts pushing back the sliding valve 65 , until the sliding valve 65 is stopped by a similar pusher (not shown) at the rear end. Then the sliding valve 65 is in a position shown in FIG. 3 b.
  • the front stop 75 that is fixed to the inner wall 52 is suitably the joint between the inner wall 52 and the outer wall 53 of the double-walled tube 50 .
  • a guide (not shown) can be placed near the pusher 72 to direct the rear end of the pusher 72 under the approaching wedge 58 .
  • the rear anchor 47 can be connected to the elongated cone-guide 10 with some axial play to allow for contraction of the pipe that is being expanded. There is provided a spring (not shown) to return the rear anchor 47 to its initial position. When the rear anchor 47 is connected with axial play to the elongated cone-guide, the front anchor may take up the axial reaction force associated with expanding the pipe.
  • the axial slots 55 and 56 extended over a great length.
  • the axial slots extend over a portion long enough to house the pusher 72 .
  • the annular sealing rims 27 and 28 are thicker and not provided by wedges, and the head 73 of the pusher 72 extends out of the axial slot.
  • the size of the annular sealing rim is so selected that it can push the head 73 under the rim and seal on the not-slotted section of the outer tube.
  • the expansion cone 5 may have any shape or design, provided that it can expand a pipe when being displaced into the pipe.

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  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Piles And Underground Anchors (AREA)
  • Actuator (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Dowels (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Earth Drilling (AREA)
  • Pipe Accessories (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
US10/555,476 2003-05-05 2004-05-03 Expansion device for expanding a pipe Active 2025-01-26 US7597140B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP03076311.4 2003-05-05
EP03076311 2003-05-05
PCT/EP2004/050681 WO2004099561A1 (en) 2003-05-05 2004-05-03 Expansion device for expanding a pipe

Publications (2)

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US20060260802A1 US20060260802A1 (en) 2006-11-23
US7597140B2 true US7597140B2 (en) 2009-10-06

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US (1) US7597140B2 (ru)
CN (1) CN100387804C (ru)
BR (1) BRPI0409897A (ru)
CA (1) CA2524506C (ru)
GB (1) GB2417746B (ru)
NO (1) NO20055707L (ru)
RU (1) RU2330930C2 (ru)
WO (1) WO2004099561A1 (ru)

Cited By (8)

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US20090126944A1 (en) * 2007-11-16 2009-05-21 Enventure Global Technology, Llc System for Radially Expanding and Plastically Deforming a Wellbore Casing
US20100089592A1 (en) * 2008-10-13 2010-04-15 Lev Ring Compliant expansion swage
US20100089591A1 (en) * 2008-10-13 2010-04-15 Gordon Thomson Expandable liner hanger and method of use
US8069916B2 (en) * 2007-01-03 2011-12-06 Weatherford/Lamb, Inc. System and methods for tubular expansion
US8662164B2 (en) * 2011-01-26 2014-03-04 Halliburton Energy Services, Inc. Setting tool
US9951588B2 (en) 2012-09-18 2018-04-24 Shell Oil Company Expansion assembly, top anchor and method for expanding a tubular in a wellbore
US20190078720A1 (en) * 2017-09-08 2019-03-14 Earth Tool Company Llc Lead Pipe Spudding Prior To Extraction Or Remediation
US10801285B2 (en) 2016-12-22 2020-10-13 Shell Oil Company Retrievable self-energizing top anchor tool

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US7640976B2 (en) 2005-11-07 2010-01-05 Mohawk Energy Ltd. Method and apparatus for downhole tubular expansion
US7497255B2 (en) 2006-03-27 2009-03-03 Mohawk Energy Ltd. High performance expandable tubular system
US7493946B2 (en) 2006-04-12 2009-02-24 Mohawk Energy Ltd. Apparatus for radial expansion of a tubular
CN101680282B (zh) 2007-04-26 2014-10-15 韦尔泰克有限公司 包覆方法及膨胀工具
US7823659B2 (en) * 2007-07-10 2010-11-02 Enventure Global Technology, Llc Apparatus and methods for drilling and lining a wellbore
CN101122214B (zh) * 2007-09-21 2010-06-16 中国石油天然气集团公司 机械膨胀式筛管悬挂器
US20100132958A1 (en) * 2008-12-02 2010-06-03 Odenthal Robert S Expandable tubular installation systems, methods, and apparatus
US20100257913A1 (en) * 2009-04-13 2010-10-14 Enventure Global Technology, Llc Resilient Anchor
CA2770456A1 (en) 2009-08-28 2011-03-03 Shell Internationale Research Maatschappij B.V. System and method for anchoring an expandable tubular to a borehole wall
US8997857B2 (en) 2009-08-28 2015-04-07 Enventure Global Technology, Llc System and method for anchoring an expandable tubular to a borehole wall
CN102482935A (zh) * 2009-08-28 2012-05-30 国际壳牌研究有限公司 用于将可膨胀管锚定到钻井壁的系统和方法
EP2436874B1 (en) * 2010-09-30 2013-07-31 Welltec A/S Drill pipe
CN103775015B (zh) * 2012-10-18 2016-11-16 中国石油化工股份有限公司 套管井下膨胀工具及使用其膨胀套管方法
CN107820531A (zh) * 2015-07-01 2018-03-20 国际壳牌研究有限公司 用于切换尾管膨胀工具的功能性的方法和系统
EP3205812A1 (en) * 2016-02-10 2017-08-16 Welltec A/S Downhole device and downhole system
CN106812505B (zh) * 2017-02-16 2023-12-29 中国石油化工股份有限公司 薄壁膨胀管装置及其作业方法
CN109709599B (zh) * 2019-01-15 2021-02-05 东北大学 在破碎易塌孔岩体中安装和回收微震传感器的装置及方法
CN110805409A (zh) * 2019-07-12 2020-02-18 大港油田集团有限责任公司 一种基于重复压裂套管井的膨胀管封堵方法
CN114135244B (zh) * 2021-11-30 2023-05-26 西南石油大学 一种用于随钻封堵的水力可变级膨胀工具

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WO2004099561A1 (en) 2004-11-18
US20060260802A1 (en) 2006-11-23

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